How do I detect whether a browser supports mouseover events?

Posted by Damovisa on Stack Overflow See other posts from Stack Overflow or by Damovisa
Published on 2011-01-10T03:24:34Z Indexed on 2011/01/10 3:53 UTC
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Filed under:

JavaScript

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html5

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touch

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onmouseover

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browser-detection

Let's assume I have a web page which has some onmouseover javascript behaviour to drop down a menu (or something similar)

Obviously, this isn't going to work on a touch device like the iPad or smartphones.

How can I detect whether the browser supports hover events like onmouseover or onmouseout and the :hover pseudotag in CSS?

Note: I know that if I'm concerned about this I should write it a different way, but I'm curious as to whether detection can be done.

Edit: When I say, "supports hover events", I really mean, "does the browser have a meaningful representation of hover events". If the hardware supports it but the software doesn't (or vice versa), there's no meaningful representation. With the exception of some upcoming tech, I don't think any touch devices have a meaningful representation of a hover event.

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